211113310209 has 16 divisors (see below), whose sum is σ = 281796413184. Its totient is φ = 140586300800.

The previous prime is 211113310201. The next prime is 211113310253. The reversal of 211113310209 is 902013311112.

It is a cyclic number.

It is not a de Polignac number, because 211113310209 - 2³ = 211113310201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211113310201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10727839 + ... + 10747499.

It is an arithmetic number, because the mean of its divisors is an integer number (17612275824).

Almost surely, 2^211113310209 is an apocalyptic number.

It is an amenable number.

211113310209 is a deficient number, since it is larger than the sum of its proper divisors (70683102975).

211113310209 is a wasteful number, since it uses less digits than its factorization.

211113310209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23448.

The product of its (nonzero) digits is 324, while the sum is 24.

The spelling of 211113310209 in words is "two hundred eleven billion, one hundred thirteen million, three hundred ten thousand, two hundred nine".